11:45 p.m. update: The FHP reports all lanes are now open on the Florida Turnpike in the Martin County area.

9:30 a.m. update: Martin County Sheriff William Snyder announced that the man who fired at Miami-Dade law enforcement and fled to Martin County died from a self-inflicted gunshot wound.

Snyder said a Martin County Sheriff's sergeant delivered a pit maneuver on the wanted man's car on Florida's Turnpike. Shortly after the car crashed, the sergeant heard a gunshot, Snyder said.

Traffic remained blocked as of 9:45 p.m.

Earlier story:

MARTIN COUNTY — Florida's Turnpike was closed in southern Martin County on Saturday night after a wanted suspect shot himself, according to the Martin County Sheriff's Office and the Florida Department of Transportation.

The motorist was wanted in Miami-Dade County after firing a gun at officers there, Martin County Sheriff's officials said. The suspect drove north on the turnpike and stopped in Martin County, where he turned the gun on himself, officials said.

Traffic has been stopped in both directions of the turnpike near State Road 714 as of 8:45 p.m.